Electronics Forum: boarded (Page 471 of 1642)

Inline PCB Cleaners

Electronics Forum | Thu Jan 26 18:28:40 EST 2006 | MikeAJ

An adhesive style cleaner is primarily used as a "precleaner" for bare boards only. These machines are placed between the loader and the printer. The TekNek machines can be best compared to those disposable lint and hair rollers. The same type of rol

Philips Comet GEM Programing

Electronics Forum | Thu Feb 02 16:51:32 EST 2006 | fasst1

Greg, FYI, the concept of the Comet is that 1/2 of the board is populated on each table. This is in an effort to reduce the total transfer time hit per board. The on machine optimizer should be able to handle the split of the program. If you need

How to calculate the line capacity

Electronics Forum | Mon Feb 06 04:18:03 EST 2006 | Rob

Get a stopwatch & time your functions to see which is the slowest. I am guessing it's going to be the oven, printer (if using paste inspection) or the AOI. If you are talking the average or optimum speed in CPH, that would depend on the type of b

Grid lok system

Electronics Forum | Tue Feb 28 11:07:41 EST 2006 | Chunks

Gel Flex works for Dek, just a slight modificaion. Works 100% better than any Grid type of system. We had missprints from Grid Lok and Form Flex - about every 5th or 6th board. Until we modified the Gels, we would take the time and some peelable s

Grid lok system

Electronics Forum | Tue Feb 28 14:49:48 EST 2006 | vdizzle

Yep Grid-Lok sucks for thin boards. We have it set up in 4 Dek Horizon 01s. Grid-Lok is actually strong enough to snap really thin boards. Other than that, the system has been great, especially if you have to do 10-12 changeovers per line per shif

poor print definition

Electronics Forum | Tue Feb 21 09:19:50 EST 2006 | Chunks

Hi Mark, Not to be condescending, but is your 265 camera in focus? I've seen one instance of this. If it�s not the camera, and you are sure all your other parameters are good, , then poor definition can be from bad snap-off or bad gasketing. Snap

Tin Lead BGAs in leadfree paste

Electronics Forum | Tue Mar 07 14:23:21 EST 2006 | billyd

I think it has a whole lot to do with the heat applied, and the paste type. It was a seriously populated, very thick board, so we had to go big with the heat just to make 240-ish. That produced voids maybe 45 or 50% of the ball size. We knew immediat

Automated Conformal Coating Process Control

Electronics Forum | Tue Mar 07 07:56:54 EST 2006 | amol_kane

Hi, I have a PVA conformal coating machine. Does anyone out there have a method to control the process once it is in the automated mode? my problem is that eventually the coating gets into the keep out areas a little bit and causes issues. is anyone

type of machine

Electronics Forum | Tue Mar 14 04:25:20 EST 2006 | Rob

I wouldn't go with the AX-5 - it's overkill. To make a board in high volume that sounds that simple is a job for a second user chipshooter (Fuji or Pana)as the first reply mentioned. Stay away from FCM1's. I'm sure the AX-5 is a great machine, but

PCBA flatness

Electronics Forum | Mon Mar 13 04:37:13 EST 2006 | Daniel

Hi Experts, We have requirement from our customer to control the PCBA flatness at 10 mils diagonally. Weird but this is the requirement due to the need for some through hole pins (spreaded acroos the board must touch the copper sheet while they are


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